That is definitely part of it, but the larger problem is bottlenecks. Both the fact that Deerfoot NB drops to two lanes for 100 metres, and the fact that at rush hours, traffic is entering Deerfoot from Douglasdale faster than it can exit to Anderson. So the right lane of Deerfoot completely dies. That's why that stretch needs the basketweave - get rid of both bottlenecks at once.
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